In an AP:
(i) given a=5, d=3, `a_(n)=50`, find n and `S_(n)`.
(ii) given `a=7, a_(13)=35,` find d and `S_(13)`
(iii) given `a_(12)=37, d=3`, find a and `S_(12)`
(iv) given `a_(3)=15, S_(10)=125`, find and `a_(10)`.
(v) given d=5, `S_(9)=75` and a and `a_(9)`.
(vi) given `a=2, d=8, S_(n)=90`, find n and `a_(n)`.
(vii) given `a=8, a_(n)=62, S_(n)=210`. find n and d.
(viii) given `a_(n)=4, d=2, S_(n) = -14,` find n and a.
(ix) given `a_(n)=3, n=8, S_(n)=192,` find d.
(x) Given `l=28, s=144` and there are total 9 terms find a.

In an AP : given a = 5, d = 3, a_(n) = 50 , find n and S_(n) .

In an A.P: (i) Given a= 5, d=3, a_(n) = 50 , find n and S_(n) . (ii) Given a=7, a_(13) = 35 , find 'd' and S_(13) . (iii) Given a_(12) = 37 , d=3 , find a and S_(12) . (iv) Given a_(3) = 15, S_(10) = 125 , find 'd' and a_(10) . (v) Given d= 5, S_(9) = 75 , find 'a' and a_(9) . (vi) Given a=2, d=8, S_(n) = 90 , find 'n' and a_(n) . (vii) Given a=8, I=a_(n) = 62,S_(n) = 210 , find 'n' and 'd'. (viii) Given a_(n) = 4=I, d=2, S_(n) = -14 , find 'n' and 'a'. (ix) Given a=3, n=8, S_(n)= 192 , find 'd'. (x) Given I= 28, S_(n) = 144 , and there are a total 9 terms find 'a' .

In an AP : given a_(n) = 4, d = 2, S_(n) = -14 , find n and a.

In an AP : given a = 7, a_(13) = 35 , find d and S_(13) .

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n and S_(n) (ii) given a=7, a_(13) = 35 , find d and S_(13) . (iii) given a_(12) = 37, d=3 , find a and S_(12) (iv) given a_(3) = 15, S_(10) = 125 , find d and a_(10) (v) given a=2, d= 8, S_(n) = 90 , find n and a_(n) (vi) given a_(n) = 4, d=2, S_(n) = - 14 , find n and a. (vii) given l=28, S= 144, and there are total 9 terms, find a.

In an AP : given a = 8, a_(n) = 62, S_(n) = 210 , find n and d.

In an AP : given a_(12) = 37, d = 3 , find a and S_(12) .

In an AP : given a = 2, d = 8, S_(n) = 90 , find a and a_(n) .

In an AP : given a_(3) = 15, S_(10) = 125 , find d and a_(10) .

In an AP : given d = 5, S_(9) = 75 , find a and a_(9) .